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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0
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Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.7.25 AUTOSW-LOP (STSMON)
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: STSMON
The Automatic Path Protection Switch Caused by LOP condition for the STS monitor (STSMON)
condition indicates that automatic UPSR switching occurred because of the “LOP-P” alarm on
page 2-98. If the UPSR is configured for revertive switching, it reverts to the working path after the fault
clears.
Note This condition is only reported if the path protection is set up for revertive switching.
Clear the AUTOSW-LOP (STSMON) Condition
Step 1 Complete the “Clear the LOP-P Alarm” procedure on page 2-99.
Step 2 If the condition does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447).
2.7.26 AUTOSW-LOP (VT-MON)
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: VT-MON
The AUTOSW-LOP alarm for the VT monitor (VT-MON) indicates that automatic UPSR switching
occurred because of the “LOP-V” alarm on page 2-99. If the UPSR is configured for revertive switching,
it reverts to the working path after the fault clears.
Note This condition is only reported if the path protection is set up for revertive switching.
Clear the AUTOSW-LOP (VT-MON) Alarm
Step 1 Complete the “Clear the LOP-V Alarm” procedure on page 2-99.
Step 2 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1-800-553-2447) in order to report a Service-Affecting (SA)
problem.
2.7.27 AUTOSW-PDI
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: STSMON, VT-MON
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